Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means there's a problem with the car's computer that controls how much power the engine gives to the wheels. It's like when your video game controller isn't working right, and you can't control your character properly.
The P1685 code indicates an issue with the electronic throttle control system, specifically related to the clutch torque settings exceeding their maximum threshold.
The Electronic Throttle Control (ETC) system monitors and manages the throttle position to ensure optimal engine performance. The P1685 code is triggered when the ETC system detects that the clutch torque has exceeded the maximum allowable limit, which could affect engine and vehicle performance.
• Reduced engine performance
• Check Engine Light illuminated
• Vehicle may enter limp mode
• Faulty throttle position sensor
• Issues with the electronic throttle control module
• Wiring problems or poor connections in the throttle control circuit
Electronic Throttle Control (ETC): A system that electronically controls the throttle valve opening.
Throttle Position Sensor: A sensor that monitors the position of the throttle valve.
• Use an OBD-II scanner to confirm the P1685 code.
• Inspect the throttle position sensor and related wiring for damage.
• Test the electronic throttle control module for proper operation.
• Replace the throttle position sensor if faulty.
• Repair or replace damaged wiring or connectors.
• Replace the electronic throttle control module if necessary.
• OBD-II scanner
• Multimeter
• Screwdriver set
$150 - $500
Moderate
• Dodge Ram
• Chrysler 300
• Jeep Grand Cherokee
• Regularly inspect and maintain the throttle body and sensors.
• Ensure all electrical connections are clean and secure.
• Perform routine vehicle diagnostics to catch issues early.
Engine Performance
• Avoid driving the vehicle if it's in limp mode.
• Have the vehicle inspected by a professional mechanic.
• Regularly check for any warning lights on the dashboard.
Check with the vehicle manufacturer for warranty coverage on electronic components.
The P1685 code has been associated with vehicles that have electronic throttle control systems, which became more common in the early 2000s.
Moderate – It should be addressed soon to avoid potential drivability issues.
Driving with a malfunctioning throttle control system can be unsafe and may lead to further vehicle damage.
• Engine running
• Vehicle in motion
The electronic throttle control system is typically located near the throttle body on the engine.
Q: What happens if I ignore the P1685 code?
A: Ignoring this code can lead to reduced engine performance and potential safety issues.
Q: Can I drive my car with the P1685 code?
A: It's not recommended to drive the vehicle if it's experiencing performance issues or is in limp mode.
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